diff gsm-fw/ccd/no_code.c @ 648:970d6199f2c5

gsm-fw/ccd/*.[ch]: initial import from the LoCosto source
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Thu, 04 Sep 2014 05:48:57 +0000
parents
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gsm-fw/ccd/no_code.c	Thu Sep 04 05:48:57 2014 +0000
@@ -0,0 +1,180 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project :  
+|  Modul   : no_code.c
++----------------------------------------------------------------------------- 
+|  Copyright 2002 Texas Instruments Berlin, AG 
+|                 All rights reserved. 
+| 
+|                 This file is confidential and a trade secret of Texas 
+|                 Instruments Berlin, AG 
+|                 The receipt of or possession of this file does not convey 
+|                 any rights to reproduce or disclose its contents or to 
+|                 manufacture, use, or sell anything it may describe, in 
+|                 whole, or in part, without the specific written consent of 
+|                 Texas Instruments Berlin, AG. 
++----------------------------------------------------------------------------- 
+|  Purpose :  Definition of encoding and decoding functions for NO_CODE elements 
++----------------------------------------------------------------------------- 
+*/ 
+
+/*
+ * standard definitions like GLOBAL, UCHAR, ERROR etc.
+ */
+#include "typedefs.h"
+#include "header.h"
+
+/*
+ * Prototypes of ccd (USE_DRIVER EQ undef) for prototypes only
+ * look at ccdapi.h
+ */
+#undef USE_DRIVER
+#include "ccdapi.h"
+
+/*
+ * Types and functions for bit access and manipulation
+ */
+#include "ccd_globs.h"
+#include "bitfun.h"
+
+/*
+ * Prototypes of ccd internal functions
+ */
+#include "ccd.h"
+
+/*
+ * Declaration of coder/decoder tables
+ */
+#include "ccdtable.h"
+#include "ccddata.h"
+
+#ifndef RUN_INT_RAM
+/*
++--------------------------------------------------------------------+
+| PROJECT : CCD (6144)              MODULE  : CDC_GSM                |
+| STATE   : code                    ROUTINE : cdc_no_decode          |
++--------------------------------------------------------------------+
+
+  PURPOSE : Either reading a value from the stack and writing it into
+            the C structure or processing the error branch in case of
+            a message escape error label.
+            An IE of this type does not occur in the air message.
+
+            EXAMPLE (reading stack value):
+            The first usage of this type is the IE "tlv_len" in a 
+            Multi Rate Configuration. In this case "tlv_len" is to be
+            used for evaluating conditions which decide for the content
+            of Multi Rate Configuration IE.
+
+            EXMAPLE (message escape):
+            A part of a message, which depends on a certain protocol
+            status, is marked by the 'Message escape' error label. It
+            is preceeded by an amount of bits given by the specification.
+            Some of these bit combinations are concatenated with a
+            well-defined message structure. All the rest of combinations
+            are expected to provide an escape
+            -> use coding type 'NO_CODE'.
+*/
+
+SHORT cdc_no_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
+{
+  U16  cixRef = melem[e_ref].calcIdxRef;
+
+#ifdef DEBUG_CCD
+	#ifndef CCD_SYMBOLS
+  TRACE_CCD (globs, "cdc_no_decode()");
+  #endif
+#endif
+
+  /*
+   * if this element is conditional, check the condition
+   */
+  if (calcidx[cixRef].numCondCalcs != 0
+  AND ! ccd_conditionOK (e_ref, globs))
+    return 1;
+
+  if (calcidx[cixRef].numPrologSteps)
+  {
+    switch (calc[calcidx[cixRef].prologStepRef].operation)
+    {
+        case 'Z': /* address information part error */
+            globs->errLabel = ERR_ADDR_INFO_PART;
+          break;
+          
+        case 'D': /* distribution part error */
+            globs->errLabel = ERR_DISTRIB_PART;
+          break;
+          
+        case 'N': /* non distribution part error */
+            globs->errLabel = ERR_NON_DISTRIB_PART;
+          break;
+          
+        case 'M': /* message escape */
+            globs->errLabel = ERR_MESSAGE_ESCAPE;
+          break;
+          
+        default:
+          break;
+    }
+  }
+
+  if (globs->errLabel)
+  {
+#ifdef DEBUG_CCD
+	#ifdef CCD_SYMBOLS
+	  TRACE_CCD (globs, "cdc_no_decode() %s", ccddata_get_alias((USHORT) e_ref, 1));
+	#endif
+#endif
+    ccd_setError (globs, globs->errLabel, BREAK, globs->bitpos, (USHORT) -1);
+  }
+  
+  else
+  {
+#ifdef DEBUG_CCD
+	#ifdef CCD_SYMBOLS
+  if (calcidx[cixRef].numPrologSteps == 0) 
+    TRACE_CCD (globs, "writing 2 bytes (%ld) to struct", globs->KeepReg[0]);
+  else
+	  TRACE_CCD (globs, "cdc_no_decode() %s", ccddata_get_alias((USHORT) e_ref, 1));
+
+	#endif
+#endif
+
+    globs->pstructOffs = melem[e_ref].structOffs;
+    *(U16*) (globs->pstruct + globs->pstructOffs) = (U16) globs->KeepReg[0];
+  }      
+
+  return 1;
+}
+#endif /* !RUN_INT_RAM */
+
+#ifndef RUN_INT_RAM
+/*
++--------------------------------------------------------------------+
+| PROJECT : CCD (6144)              MODULE  : CDC_GSM                |
+| STATE   : code                    ROUTINE : cdc_no_encode          |
++--------------------------------------------------------------------+
+
+  PURPOSE : An IE of this type does not occure in the air message.
+            Nevertheless the variable in the C structure must be 
+            written by the caller entity.
+            EXAMPLE:
+            The first usage of this type is the IE "tlv_len" in a 
+            Multi Rate Configuration. In this case "tlv_len" is to be used
+            for evaluating conditions which decide for the content of
+            Multi Rate Configuration IE.
+
+*/
+
+SHORT cdc_no_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
+{
+#ifdef DEBUG_CCD
+	#ifndef CCD_SYMBOLS
+  TRACE_CCD (globs, "cdc_no_encode()");
+	#else
+	TRACE_CCD (globs, "cdc_no_encode() %s", ccddata_get_alias((USHORT) e_ref, 1));
+	#endif
+#endif
+  return 1;
+}
+#endif /* !RUN_INT_RAM */